CVE-2017-7522

MEDIUM

OpenVPN <2.4.3, <2.3.17 - DoS

Title source: llm

Description

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.

References (3)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/99230

[Vendor Advisory] https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1038768

Scores

CVSS v3 6.5

EPSS 0.0052

EPSS Percentile 66.6%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-476 CWE-20

Status published

Products (11)

openvpn/openvpn < 2.3.16

openvpn/openvpn

OpenVPN Technologies, Inc/OpenVPN < before 2.4.3

... and 1 more

Published Jun 27, 2017

Tracked Since Feb 18, 2026